std::abs(int), std::labs, std::llabs

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C++ Standard Library
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Common mathematical functions
Functions Basic operations abs(int) labs llabs abs(float) fabs div ldiv lldiv fmod remainder (C++11) remquo (C++11) fma (C++11) fmax (C++11) fmin (C++11) fdim (C++11) nan nanf nanl (C++11) (C++11) (C++11) Exponential functions exp exp2 (C++11) expm1 (C++11) log log10 log1p (C++11) ilogb (C++11) logb (C++11) Power functions sqrt cbrt (C++11) hypot (C++11) pow Trigonometric and hyperbolic functions sin cos tan asin acos atan atan2 sinh cosh tanh asinh (C++11) acosh (C++11) atanh (C++11) Error and gamma functions erf (C++11) erfc (C++11) lgamma (C++11) tgamma (C++11) Nearest integer floating point operations ceil floor round lround llround (C++11) (C++11) (C++11) trunc (C++11) nearbyint (C++11) rint lrint llrint (C++11) (C++11) (C++11) Floating point manipulation functions frexp ldexp scalbn scalbln (C++11) (C++11) modf nextafter nexttoward (C++11) (C++11) copysign (C++11) Classification fpclassify (C++11) isfinite (C++11) isinf (C++11) isnan (C++11) isnormal (C++11) signbit (C++11) Macro constants HUGE_VAL HUGE_VALF (C++11) HUGE_VALL (C++11) FP_INFINITE (C++11) FP_NAN (C++11) FP_NORMAL (C++11) FP_SUBNORMAL (C++11) FP_ZERO (C++11)

Defined in header <cstdlib>
int       abs( int n );
long      abs( long n );
long long abs( long long n );		(C++11 feature)
long       labs( long n );
long long llabs( long long n );		(C++11 feature)

Computes the absolute value of an integer number.

[edit] Parameters

n

-

integer value

[edit] Return value

the absolute value of n (i.e. |n|)

[edit] See also

abs(float) fabs	absolute value of an absolute value of an floating point value (|x|) (function)